| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 800 x 760 x 1300 mm | |
|---|---|---|
| Seat width | 530 mm | |
| Seat depth | 530 mm | |
| Adjustable seat height range | 550 mm | |
| Backrest height | 790 mm | |
| Armrest height from seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 55 mm | |
| Backrest width | 550 mm | |
| Seat cushion thickness | 120 mm | |
| Lumbar support protrusion | 40 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 32 kg | |
|---|---|---|
| Maximum recommended user weight | 250 kg | |
| Five-star base static load capacity | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Available finish options | 2 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | 1.5 mm thick top-grain brown leather with contrast light stitching | |
|---|---|---|
| Seat cushion core | High-density PU foam with anti-deformation wrap | |
| Backrest padding | Contoured high-resilience PU foam with integrated lumbar pad | |
| Internal frame | 20 mm thick plywood reinforced with solid hardwood bracing | |
| Armrests and side panels | Polished solid walnut wood with glossy clear lacquer finish | |
| Five-star base | Steel inner frame with wood-look trim cover, powder-coated finish | |
| Caster wheels | 55 mm diameter PU tread casters with steel swivel stems | |
| Gas lift | Chromed steel Class 4 pneumatic cylinder | |
| Tilt mechanism | 3 mm thick steel plate synchro-tilt chassis | |
| Upholstery seam pitch | 8 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and swivel base | |
|---|---|---|
| Pneumatic seat height adjustment | 120 mm vertical stroke via right-side lever, matching 760 mm desk height | |
| Recline tilt function | 135-degree maximum backrest tilt with 4-position lock setting | |
| Tilt tension adjustment | User-adjustable knob to modify recline resistance for different user weights | |
| Rolling mobility | Five dual-wheel casters for smooth movement on carpet and hard floors | |
| Fixed armrest support | Wide padded wood armrests positioned at seated elbow height for forearm rest | |
| Integrated lumbar support | Contoured padded lumbar section aligned to seated lower back curve | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private office | Suitable for manager/CEO workspaces with traditional wood-finish desk sets | |
|---|---|---|
| Conference meeting rooms | Appropriate for boardroom seating for senior meeting participants | |
| Home office study | Suitable for dedicated home workspaces requiring professional, durable seating | |
| Senior leadership reception areas | Appropriate for visitor seating in formal executive reception spaces | |
| Commercial office procurement | Suitable for bulk purchase for management-level workstation configurations | |
| Hard floor and carpeted spaces | PU casters prevent floor damage while enabling smooth movement across common office flooring | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable for office chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1022:2018 | Applicable for seating stability test requirements for office use | |
| EN 12520:2015 | Applicable for furniture seating strength, durability and safety requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair performance and test requirements | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Applicable for lounge/executive seating durability and safety tests | |
| Gas lift cycle durability | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for wooden furniture component general technical requirements | |
|---|---|---|
| GB 18584-2001 | Applicable for formaldehyde emission limit for wooden furniture materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for wooden furniture component general technical requirements; 2. GB 18584-2001: Applicable for formaldehyde emission limit for wooden furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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